Remove strong mode support from binary operations.

src/code-stubs-hydrogen.cc

Index: src/code-stubs-hydrogen.cc
diff --git a/src/code-stubs-hydrogen.cc b/src/code-stubs-hydrogen.cc
index 43a7e44af6a0183d51f975c8bbfce9aec5914b4c..f374f1c18e7fd05dec98e88d852bc6f1b7ebde8e 100644
--- a/src/code-stubs-hydrogen.cc
+++ b/src/code-stubs-hydrogen.cc
@@ -1468,15 +1468,15 @@ HValue* CodeStubGraphBuilder<BinaryOpICStub>::BuildCodeInitializedStub() {
       if_leftisstring.If<HIsStringAndBranch>(left);
       if_leftisstring.Then();
       {
-        Push(BuildBinaryOperation(
-            state.op(), left, right, Type::String(), right_type, result_type,
-            state.fixed_right_arg(), allocation_mode, state.strength()));
+        Push(BuildBinaryOperation(state.op(), left, right, Type::String(),
+                                  right_type, result_type,
+                                  state.fixed_right_arg(), allocation_mode));
       }
       if_leftisstring.Else();
       {
-        Push(BuildBinaryOperation(
-            state.op(), left, right, left_type, right_type, result_type,
-            state.fixed_right_arg(), allocation_mode, state.strength()));
+        Push(BuildBinaryOperation(state.op(), left, right, left_type,
+                                  right_type, result_type,
+                                  state.fixed_right_arg(), allocation_mode));
       }
       if_leftisstring.End();
       result = Pop();
@@ -1485,23 +1485,23 @@ HValue* CodeStubGraphBuilder<BinaryOpICStub>::BuildCodeInitializedStub() {
       if_rightisstring.If<HIsStringAndBranch>(right);
       if_rightisstring.Then();
       {
-        Push(BuildBinaryOperation(
-            state.op(), left, right, left_type, Type::String(), result_type,
-            state.fixed_right_arg(), allocation_mode, state.strength()));
+        Push(BuildBinaryOperation(state.op(), left, right, left_type,
+                                  Type::String(), result_type,
+                                  state.fixed_right_arg(), allocation_mode));
       }
       if_rightisstring.Else();
       {
-        Push(BuildBinaryOperation(
-            state.op(), left, right, left_type, right_type, result_type,
-            state.fixed_right_arg(), allocation_mode, state.strength()));
+        Push(BuildBinaryOperation(state.op(), left, right, left_type,
+                                  right_type, result_type,
+                                  state.fixed_right_arg(), allocation_mode));
       }
       if_rightisstring.End();
       result = Pop();
     }
   } else {
-    result = BuildBinaryOperation(
-        state.op(), left, right, left_type, right_type, result_type,
-        state.fixed_right_arg(), allocation_mode, state.strength());
+    result = BuildBinaryOperation(state.op(), left, right, left_type,
+                                  right_type, result_type,
+                                  state.fixed_right_arg(), allocation_mode);
   }
 
   // If we encounter a generic argument, the number conversion is
@@ -1535,7 +1535,7 @@ HValue* CodeStubGraphBuilder<BinaryOpWithAllocationSiteStub>::BuildCodeStub() {
 
   return BuildBinaryOperation(state.op(), left, right, left_type, right_type,
                               result_type, state.fixed_right_arg(),
-                              allocation_mode, state.strength());
+                              allocation_mode);
 }